<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <video src="output.webm" width="800" height="600" >音乐</video>

    <video src="output.webm" width="800" height="600" autoplay controls loop muted>音乐</video>

    <video src="output.webm" width="800" height="600" controls preload="none"></video>

    <video src="output.webm" width="800" height="600" controls poster="1.jpg"></video>

    <video width="800" height="600" controls poster="1.jpg">
        <source src="output.webm">
        <source src="output.mp4">
        <source src="1.mp3">
            <object ></object>
    </video>
    <br>

    <audio src="1.mp3" controls autoplay></audio>

    <audio controls>
        <source src="1.mp3">
        <source src="1.mp3">
        <source src="1.mp3">
    </audio>

    



</body>
</html>
